BR112018006418A2 - circuito de detecção de corrente bidirecional - Google Patents

circuito de detecção de corrente bidirecional

Info

Publication number
BR112018006418A2
BR112018006418A2 BR112018006418A BR112018006418A BR112018006418A2 BR 112018006418 A2 BR112018006418 A2 BR 112018006418A2 BR 112018006418 A BR112018006418 A BR 112018006418A BR 112018006418 A BR112018006418 A BR 112018006418A BR 112018006418 A2 BR112018006418 A2 BR 112018006418A2
Authority
BR
Brazil
Prior art keywords
current
circuit
reverse
transistor
current sensing
Prior art date
Application number
BR112018006418A
Other languages
English (en)
Inventor
Valentino Gianluca
Kumar Guntreddi Ranjit
Wu Zengjing
Zhu Zhaohui
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018006418A2 publication Critical patent/BR112018006418A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Dc-Dc Converters (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Power Conversion In General (AREA)

Abstract

as modalidades descritas no presente documento se referem a uma técnica de circuito aprimorada para detectar corrente que conduz em um transistor de potência acoplado a uma fonte de alimentação de entrada. o circuito inclui um circuito de detecção de corrente bidirecional com o uso de controle de porta de transistor de detecção de corrente. o circuito inclui um transistor de detecção de corrente direta para detectar a corrente que conduz no transistor de potência durante a corrente de modo direto do circuito e um transistor de detecção de corrente de elevação reversa para detectar a corrente que conduz durante o modo de corrente reversa do circuito. um deslocador de nível também é dotado de saídas complementares tanto para ligar o transistor de detecção de corrente direta oi desligar o transistor de detecção de corrente de elevação reversa quando o circuito estiver no modo de corrente direta, como para desligar o transistor de detecção de corrente direta e ligar o transistor de detecção de corrente de elevação reversa quando o circuito estiver no modo de corrente reversa.
BR112018006418A 2015-09-30 2016-09-30 circuito de detecção de corrente bidirecional BR112018006418A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/871,636 US9863982B2 (en) 2015-09-30 2015-09-30 Bi-directional current sensing circuit
PCT/US2016/055037 WO2017059378A1 (en) 2015-09-30 2016-09-30 Bi-directional current sensing circuit

Publications (1)

Publication Number Publication Date
BR112018006418A2 true BR112018006418A2 (pt) 2018-10-09

Family

ID=57209845

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018006418A BR112018006418A2 (pt) 2015-09-30 2016-09-30 circuito de detecção de corrente bidirecional

Country Status (7)

Country Link
US (1) US9863982B2 (pt)
EP (1) EP3357150B1 (pt)
JP (1) JP2018530298A (pt)
KR (1) KR20180063215A (pt)
CN (1) CN108141133A (pt)
BR (1) BR112018006418A2 (pt)
WO (1) WO2017059378A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10041982B2 (en) * 2012-08-15 2018-08-07 Texas Instruments Incorporated Switch mode power converter current sensing apparatus and method
US11133663B2 (en) * 2017-12-20 2021-09-28 Apple Inc. Reverse current protection circuit
JP6805192B2 (ja) * 2018-02-06 2020-12-23 株式会社東芝 電流検出回路
US10804691B2 (en) * 2018-03-06 2020-10-13 Texas Instruments Incorporated Circuit providing reverse current protection for high-side driver
JP7118531B2 (ja) * 2018-04-26 2022-08-16 矢崎総業株式会社 電源装置
KR102545301B1 (ko) 2018-09-10 2023-06-16 삼성전자주식회사 반도체 회로
US10936032B2 (en) * 2018-12-11 2021-03-02 Dell Products L.P. Information handling system dual charger power balancing and fast role swapping
JP6935437B2 (ja) * 2019-01-23 2021-09-15 矢崎総業株式会社 電源装置
WO2021085475A1 (ja) * 2019-11-01 2021-05-06 国立研究開発法人科学技術振興機構 電流センサおよび電力変換回路
CN113125830B (zh) * 2019-12-30 2023-06-09 圣邦微电子（北京）股份有限公司 一种双向电流检测电路和电源系统
TWI736190B (zh) * 2020-03-23 2021-08-11 瑞昱半導體股份有限公司 具有倒灌電流防止機制的通用序列匯流排訊號輸出電路及其操作方法
EP4297256A1 (en) * 2022-06-20 2023-12-27 Nexperia B.V. Current sensing system and dc-dc converter comprising the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5751140A (en) * 1997-03-25 1998-05-12 Space Systems/Loreal, Inc. Voltage converter with battery discharge protection
US6137280A (en) * 1999-01-22 2000-10-24 Science Applications International Corporation Universal power manager with variable buck/boost converter
US6617838B1 (en) 2001-09-11 2003-09-09 Analog Devices, Inc. Current measurement circuit
US6982559B2 (en) 2004-01-14 2006-01-03 Kyocera Wireless Corp. Accurate and efficient sensing circuit and method for bi-directional signals
JP2006158067A (ja) 2004-11-29 2006-06-15 Renesas Technology Corp 電源ドライバ回路
EP2173031B1 (en) 2008-10-01 2012-06-06 Austriamicrosystems AG Amplifier arrangement, measurement arrangement and signal processing method
JP5272692B2 (ja) * 2008-12-08 2013-08-28 富士通セミコンダクター株式会社 半導体集積回路および電源装置
JP4894865B2 (ja) * 2009-02-12 2012-03-14 富士電機株式会社 双方向スイッチの電流検出回路
EP2515126A1 (en) * 2011-04-19 2012-10-24 Dialog Semiconductor GmbH Bidirectional current sense
US10041982B2 (en) * 2012-08-15 2018-08-07 Texas Instruments Incorporated Switch mode power converter current sensing apparatus and method
WO2014060787A1 (en) * 2012-10-15 2014-04-24 Freescale Semiconductor, Inc. An inductive load control circuit, a braking system for a vehicle and a method of measuring current in an inductive load control circuit
US9219372B2 (en) 2013-01-22 2015-12-22 Qualcomm Incorporated Buck boost charging for batteries
US9046905B2 (en) * 2013-03-08 2015-06-02 Analog Devices Global Apparatus and methods for bidirectional current sensing in a switching regulator
US9276430B2 (en) 2013-05-24 2016-03-01 Qualcomm, Incorporated Master-slave multi-phase charging

Also Published As

Publication number Publication date
WO2017059378A1 (en) 2017-04-06
JP2018530298A (ja) 2018-10-11
US20170089958A1 (en) 2017-03-30
US9863982B2 (en) 2018-01-09
KR20180063215A (ko) 2018-06-11
EP3357150A1 (en) 2018-08-08
CN108141133A (zh) 2018-06-08
EP3357150B1 (en) 2019-11-20

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired